{
    "name": "channel negative energy",
    "text": "The {NAME} magically unleashes negative energy. Creatures within 60 feet of the {NAME}, including ones behind barriers and around corners, can't regain hit points until the end of the {NAME}'s next turn.",
    "subfeatures": [
        {
            "trigger": [ "legendary action costing X", 2 ],
            "conditions": [],
            "effects": [{
                "target": "creatures",
                "effect conditions": [[ "N is within radius X of N", "creature", "60'", "self" ]],
                "effect": [ "set N = N", "creature.REGAINS_HP", 0 ],
                "duration": "End of self next turn"
            }]
        }
    ]
}